CN101155294B - Orientation method for network television service request - Google Patents
Orientation method for network television service request Download PDFInfo
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- CN101155294B CN101155294B CN200610113430XA CN200610113430A CN101155294B CN 101155294 B CN101155294 B CN 101155294B CN 200610113430X A CN200610113430X A CN 200610113430XA CN 200610113430 A CN200610113430 A CN 200610113430A CN 101155294 B CN101155294 B CN 101155294B
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Abstract
The present invention discloses a directional method for network TV service request, setting buffers in an electron playbill child system and business engine separately for providing uniform resource orientation symbol to user terminal, including the following steps: step one, user terminal transmits service request to the electron playbill child system; step two, the electron playbill child system searches corresponding uniform resource orientation symbol in local buffer, if finding to return the uniform resource orientation symbol to the user terminal, if not to implement step three; step three, the business engine searches corresponding uniform resource orientation symbol in local buffer, if finding to return the uniform resource orientation symbol to the user terminal, if not to implement step four; step four, the business engine generates uniform resource orientation symbol, and returns the uniform resource orientation symbol to the user terminal.
Description
Technical field
The present invention relates to Web TV (IPTV) and mobile stream media system, particularly a kind of orientation method of IPTV service request.
Background technology
IPTV (Web TV) business is meant with set-top box and is linked into broadband network, is display terminal with PC or television set, thereby the broad band value-added service of a kind of interactive television experience and multimedia service is provided for the user.Simultaneously, also be the business that fixed network 3G promotes mainly.
Mobile flow medium is considered to the core business of 3G network, also is the direction of future mobile communications business development.All in all, current mobile communications network provides mainly is static content based on image and literal.Along with mobile communications network to progressively evolution of 3G, merge sound, literal, image variform, provide mobile flow medium services such as more very impressive mobile TV, video request program to use for the user, become the inexorable trend of mobile value-added service development.
As shown in Figure 1, typical IPTV and mobile stream media system are made up of following subsystem basically:
User terminal is meant the terminal equipment of direct access fixed network of user or wireless network.
The operation interface to the user terminal displaying that EPG (electronic program list) subsystem, local side provide is that the user carries out service order, experiences the inlet of service.
Business Management Platform carries out asset management to whole system, the user is authenticated authentication and charging.
Service enabler is for the user provides final service and service is controlled.
Wherein, Business Management Platform, service enabler and EPG subsystem are CMTS, can set up short the connection with EPG subsystem and service enabler during user terminal access.
The most attracting user of being exactly can carry out interactively control to the media program of being watched in IPTV and mobile flow medium service, and this just makes user terminal and local side need carry out a large amount of logic controls.The redirected speed of local side is a bottleneck of the various multimedia services of experience of user's smoothness in numerous logic controls.
In existing IPTV system and mobile stream media system, general cache is asked user profile of serving and the content information of visiting recently recently; Under the situation that service enabler breaks down, enable this buffer memory, whole system is walked emergent flow process.
Only made buffer memory in present IPTV and the mobile stream media system, and be under the situation that service enabler breaks down, just to enable at the EPG subsystem.So do not improve the response speed of whole system generally.
Summary of the invention
The technical problem to be solved in the present invention is, at the media program of service request or the program of expection request two-level cache is set at EPG subsystem and service enabler, accelerate the redirected speed of user when IPTV or mobile stream media system request service, thereby make the terminal use can the smooth various services of experience.
For this reason, the invention provides a kind of orientation method of IPTV service request, it is provided with buffer memory respectively to provide URL(uniform resource locator) to user terminal in electron playbill child system and service enabler, comprise step:
Step 1, user terminal send service request to electron playbill child system;
Step 3, electron playbill child system are transmitted user's service request to service enabler, service enabler is retrieved corresponding uniform resource locator in local cache, if hit then service enabler sends to electron playbill child system with this URL(uniform resource locator), return URL(uniform resource locator) by electron playbill child system to user terminal, if miss then execution in step four;
Step 4, service enabler generate URL(uniform resource locator), and this URL(uniform resource locator) is sent to electron playbill child system, return URL(uniform resource locator) by electron playbill child system to user terminal.
Wherein, in described step 1, user terminal sends service request with supertext transmission protocol mode or real-time streaming protocol mode to electron playbill child system.
Wherein, in described step 2, electron playbill child system is retrieved corresponding uniform resource locator according to the content and the customer attribute information of the service request of user terminal in the local cache of electron playbill child system.
Wherein, in described step 3, service enabler is retrieved corresponding uniform resource locator according to the content and the customer attribute information of the request that electron playbill child system sends in the local cache of service enabler.
Wherein, it is provided with buffer memory respectively to provide URL(uniform resource locator) to user terminal in electron playbill child system and service enabler, comprise step:
Step 1, user terminal send service request to electron playbill child system;
Step 3, electron playbill child system are transmitted user's service request to service enabler, service enabler is retrieved corresponding uniform resource locator in local cache, if hit then service enabler sends to electron playbill child system with this URL(uniform resource locator), return URL(uniform resource locator) by electron playbill child system to user terminal, if miss then execution in step four;
Step 4, service enabler generate URL(uniform resource locator), and this URL(uniform resource locator) is sent to electron playbill child system, return URL(uniform resource locator) by electron playbill child system to user terminal;
The URL(uniform resource locator) that step 5, user terminal use electron playbill child system are returned is to service enabler request media content;
Step 7, Business Management Platform send authentication to service enabler and pass through message after carrying out authentication;
Step 8, service enabler send media data flow to user terminal.
Wherein, in described step 1, user terminal sends service request with supertext transmission protocol mode or real-time streaming protocol mode to electron playbill child system.
Wherein, in described step 2, electron playbill child system is retrieved corresponding uniform resource locator according to the content and the customer attribute information of the service request of user terminal in the local cache of electron playbill child system.
Wherein, in described step 3, service enabler is retrieved corresponding uniform resource locator according to the content and the customer attribute information of the request that electron playbill child system sends in the local cache of service enabler.
The present invention adopts two-level cache mechanism at EPG subsystem and service enabler, can be in the average time of IPTV and mobile stream media system operation, save local side a large amount of operation time, thereby improve the response speed of user capture system, for the user provides smooth service.
Description of drawings
Fig. 1 is IPTV and mobile stream media system structure chart;
Fig. 2 is the flow chart of process IP TV user service request of the present invention;
Fig. 3 is the sequential chart of the present invention in conjunction with the IPTV system implementation.
Embodiment
Below in conjunction with accompanying drawing, describe the specific embodiment of the present invention in detail.
The two-level cache mechanism that the present invention proposes, as shown in Figure 1, its be electronic program list (EPG) subsystem 2 and service enabler 4 these two provide for the user that the interior perhaps user at service request expects that the content of request is provided with buffer memory on the relevant subsystem of medium or data, services.Like this, when the Terminal Service request is served, generally just do not need all service requests and start flow process, middle some complex calculations and operating procedure can be omitted; Thereby save a large amount of operations consuming time, the entire I PTV system of raising or mobile stream media system are to the response speed of user's service.
The first order of the present invention is buffered on the EPG subsystem 2.EPG subsystem 2 direct user oriented terminals 3, user terminal 3 send the service request of HTTP (HTML (Hypertext Markup Language)) mode or RTSP (real-time streaming protocol) mode to EPG subsystem 2.EPG subsystem 2 is when receiving the service request of user terminal 3, the content and the customer attribute information of the service request that is sent according to user terminal 3, in the local cache of EPG subsystem 2, retrieve corresponding uniform resource locator (URL), if hit then return this URL to user terminal 3; If miss, EPG subsystem 2 is generated URL and is returned to EPG subsystem 2 by service enabler 4 to the relevant parameter of service enabler 4 transmission user terminals 3, finally by EPG subsystem 2 this URL is turned back to user terminal 3.
The heap(ed) capacity of buffer memory wherein, is set at the URL buffer memory on the EPG subsystem 2; And for every in the buffer memory information setting term of validity, EPG subsystem 2 is regularly cleared up outdated information according to the term of validity in the buffer memory; And the content of service request is sorted according to access frequency, set visit frequency threshold value, the relevant parameter that access frequency is surpassed the content of this threshold value sends to service enabler 4, obtains URL and is updated to the local cache of EPG subsystem 2 from service enabler 4.
The second level of the present invention is buffered on the service enabler 4.The various attribute informations of relevant all properties, user and user terminal 3 of content have been stored in the service enabler 4.The user asks the URL that serves finally to be generated by service enabler 4.When EPG subsystem 2 does not retrieve the URL that service is provided for the user at local cache, then to service enabler 4 request URL; Service enabler 4 also can be retrieved needed URL in its local buffer memory, if hit, then return to EPG subsystem 2; Miss, then pass the various parameters of coming and generate URL according to EPG subsystem 2, return to EPG subsystem 2.
In the buffer memory of the second level of service enabler 4, heap(ed) capacity and every data cached term of validity of buffer memory need be set equally; Regularly clear up expired data cached; EPG subsystem 2 also wants timing that the frequency of access to content is sent to service enabler 4; The access to content frequency that service enabler 4 sends over reference to EPG subsystem 2 will be updated to local cache above the URL of the content of threshold value.
Fig. 2 is the flow chart that the present invention handles service request, below in conjunction with accompanying drawing 2, specifically describes the flow process that the present invention handles service request.
Step S1, user specifically are user terminal 3 sends HTTP (HTML (Hypertext Markup Language)) mode or service requests from RTSP (real-time streaming protocol) mode to EPG subsystem 2 to the 2 request services of EPG subsystem;
Step S2, EPG subsystem 2 are when receiving the service request of user terminal 3, and EPG subsystem 2 is retrieved corresponding URL according to the content and the customer attribute information of the service request of user terminal 3 in the local cache of EPG subsystem 2;
Step S3 judges whether to retrieve corresponding URL, if hit then execution in step S4, if miss then execution in step S5;
Step S4, EPG subsystem 2 are to user terminal 3 Return URLs, and the service request flow process finishes;
Step S5, EPG subsystem 2 is to the relevant parameter of service enabler 4 transmission user terminals 3, and service enabler 4 is accepted the service request that EPG subsystem 2 obtains URL;
Step S6, service enabler 4 is retrieved corresponding URL according to the content and the customer attribute information of the request that EPG subsystem 2 sends in the local cache of service enabler 4;
Step S7 judges whether to retrieve corresponding URL, if hit then execution in step S4, if miss then execution in step S8;
Step S8, service enabler 4 generates URL according to customer attribute information, and this URL is sent to EPG subsystem 2, then execution in step S4.
Fig. 3 is the sequential chart of the present invention in conjunction with the IPTV system implementation, and as shown in Figure 3, IPTV processing method of the present invention is as follows.
Step 1: user terminal 3 sends service request to EPG subsystem 2;
Step 2:EPG system 2 searches whether there is corresponding URL in the local cache according to the content and the customer attribute information of the request in the service request, if miss, then carry out step 3; If hit, then directly to the user terminal Return URL;
Step 3:EPG subsystem 2 is transmitted user's service request to service enabler 4;
Step 4: service enabler 4 searches whether there is corresponding URL in the local cache, if hit, then carry out step 5; If miss, then generate URL by service enabler 4;
Step 5: service enabler 4 is to EPG subsystem 2 Return URLs;
Step 6:EPG subsystem 2 is transmitted URL to user terminal 3;
Step 7: the URL that user terminal 3 uses EPG subsystem 2 to return asks media contents to service enabler 4;
Step 8: service enabler 4 sends wholesale price, authentication request to Business Management Platform 1 after the request of receiving;
Step 9: Business Management Platform 1 passes through message to service enabler 4 transmission wholesale prices, authentication after carrying out authentication;
Step 10: service enabler 4 sends media data flow to user terminal 3;
Step 11: user terminal 3 sends the service ending request to service enabler 4;
Step 12: service enabler 4 is transmitted the service ending request to Business Management Platform 1;
Step 13: Business Management Platform 1 is done to charge according to the service ending request and is handled, and sends service to service enabler 4 then and finishes acknowledge message.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (8)
1. the orientation method of a Web TV service request, it is provided with buffer memory respectively to provide URL(uniform resource locator) to user terminal in electron playbill child system and service enabler, comprise step:
Step 1, user terminal send service request to electron playbill child system;
Step 2, electron playbill child system are retrieved corresponding uniform resource locator in local cache, if hit then return URL(uniform resource locator) to user terminal, if miss then execution in step three;
Step 3, electron playbill child system are transmitted user's service request to service enabler, service enabler is retrieved corresponding uniform resource locator in local cache, if hit then service enabler sends to electron playbill child system with this URL(uniform resource locator), return URL(uniform resource locator) by electron playbill child system to user terminal, if miss then execution in step four;
Step 4, service enabler generate URL(uniform resource locator), and this URL(uniform resource locator) is sent to electron playbill child system, return URL(uniform resource locator) by electron playbill child system to user terminal.
2. the method for claim 1 is characterized in that, in described step 1, user terminal sends service request with supertext transmission protocol mode or real-time streaming protocol mode to electron playbill child system.
3. the method for claim 1, it is characterized in that, in described step 2, electron playbill child system is retrieved corresponding uniform resource locator according to the content and the customer attribute information of the service request of user terminal in the local cache of electron playbill child system.
4. the method for claim 1 is characterized in that, in described step 3, service enabler is retrieved corresponding uniform resource locator according to the content and the customer attribute information of the request that electron playbill child system sends in the local cache of service enabler.
5. method that media content is provided in network television system, it is provided with buffer memory respectively to provide URL(uniform resource locator) to user terminal in electron playbill child system and service enabler, comprise step:
Step 1, user terminal send service request to electron playbill child system;
Step 2, electron playbill child system are retrieved corresponding uniform resource locator in local cache, if hit then return URL(uniform resource locator) to user terminal, if miss then execution in step three;
Step 3, electron playbill child system are transmitted user's service request to service enabler, service enabler is retrieved corresponding uniform resource locator in local cache, if hit then service enabler sends to electron playbill child system with this URL(uniform resource locator), return URL(uniform resource locator) by electron playbill child system to user terminal, if miss then execution in step four;
Step 4, service enabler generate URL(uniform resource locator), and this URL(uniform resource locator) is sent to electron playbill child system, return URL(uniform resource locator) by electron playbill child system to user terminal;
The URL(uniform resource locator) that step 5, user terminal use electron playbill child system are returned is to service enabler request media content;
Step 6, service enabler send authentication request to Business Management Platform after the request of receiving;
Step 7, Business Management Platform send authentication to service enabler and pass through message after carrying out authentication;
Step 8, service enabler send media data flow to user terminal.
6. method as claimed in claim 5 is characterized in that, in described step 1, user terminal sends service request with supertext transmission protocol mode or real-time streaming protocol mode to electron playbill child system.
7. method as claimed in claim 5, it is characterized in that, in described step 2, electron playbill child system is retrieved corresponding uniform resource locator according to the content and the customer attribute information of the service request of user terminal in the local cache of electron playbill child system.
8. method as claimed in claim 5 is characterized in that, in described step 3, service enabler is retrieved corresponding uniform resource locator according to the content and the customer attribute information of the request that electron playbill child system sends in the local cache of service enabler.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200610113430XA CN101155294B (en) | 2006-09-28 | 2006-09-28 | Orientation method for network television service request |
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| CN200610113430XA CN101155294B (en) | 2006-09-28 | 2006-09-28 | Orientation method for network television service request |
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| CN101155294B true CN101155294B (en) | 2010-08-18 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101656985B (en) * | 2009-08-18 | 2012-12-19 | 中兴通讯股份有限公司 | Method for managing url resource cache and device thereof |
| CN101883120B (en) * | 2010-07-12 | 2014-11-05 | 中兴通讯股份有限公司 | Method and system for supporting active push of uniform resource locator in short message mode |
| CN104598394A (en) * | 2013-10-31 | 2015-05-06 | 中国石油天然气集团公司 | Data caching method and system capable of conducting dynamic distribution |
| CN103929683A (en) * | 2014-04-29 | 2014-07-16 | 北京融合视讯科技有限公司 | Video on demand method, data server, video terminal and video on demand system |
| CN104320681B (en) * | 2014-11-07 | 2018-03-09 | 百视通网络电视技术发展有限责任公司 | A kind of CDN returns the method and system of source service |
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| CN1558676A (en) * | 2004-01-19 | 2004-12-29 | 大唐电信科技股份有限公司光通信分公 | Multimedia information demanding system and demanding method |
| CN1643926A (en) * | 2002-03-14 | 2005-07-20 | 皇家飞利浦电子股份有限公司 | Improved finding of TV anytime web services |
| US7100192B1 (en) * | 1997-09-05 | 2006-08-29 | Hitachi, Ltd. | Method of and an apparatus for controlling a web server, a web server control program, and a storage medium on which the web server control program is stored |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7100192B1 (en) * | 1997-09-05 | 2006-08-29 | Hitachi, Ltd. | Method of and an apparatus for controlling a web server, a web server control program, and a storage medium on which the web server control program is stored |
| CN1643926A (en) * | 2002-03-14 | 2005-07-20 | 皇家飞利浦电子股份有限公司 | Improved finding of TV anytime web services |
| CN1558676A (en) * | 2004-01-19 | 2004-12-29 | 大唐电信科技股份有限公司光通信分公 | Multimedia information demanding system and demanding method |
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